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Data News — Week 24.11

Christophe Blefari

Understand how BigQuery inserts, deletes and updates — Once again Vu took time to deep dive into BigQuery internal, this time to explain how data management is done. Pandera, a data validation library for dataframes, now supports Polars. This is Croissant.

Metadata 272
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Complete Guide to Data Transformation: Basics to Advanced

Ascend.io

Filling in missing values could involve leveraging other company data sources or even third-party datasets. The cleaned data would then be stored in a centralized database, ready for further analysis. This ensures that the sales data is accurate, reliable, and ready for meaningful analysis.

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Expert Insights for Your 2025 Data, Analytics, and AI Initiatives

Precisely

However, they require a strong data foundation to be effective. With the rise of cloud-based data management, many organizations face the challenge of accessing both on-premises and cloud-based data. Without a unified, clean data structure, leveraging these diverse data sources is often problematic.

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Data Appending vs. Data Enrichment: How to Maximize Data Quality and Insights

Precisely

After my (admittedly lengthy) explanation of what I do as the EVP and GM of our Enrich business, she summarized it in a very succinct, but new way: “Oh, you manage the appending datasets.” We often use different terms when were talking about the same thing in this case, data appending vs. data enrichment.

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Data Integrity vs. Data Validity: Key Differences with a Zoo Analogy

Monte Carlo

The data doesn’t accurately represent the real heights of the animals, so it lacks validity. Let’s dive deeper into these two crucial concepts, both essential for maintaining high-quality data. Let’s dive deeper into these two crucial concepts, both essential for maintaining high-quality data. What Is Data Validity?

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The Challenge of Data Quality and Availability—And Why It’s Holding Back AI and Analytics

Striim

Many organizations struggle with: Inconsistent data formats : Different systems store data in varied structures, requiring extensive preprocessing before analysis. Siloed storage : Critical business data is often locked away in disconnected databases, preventing a unified view.

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6 Pillars of Data Quality and How to Improve Your Data

Databand.ai

Here are several reasons data quality is critical for organizations: Informed decision making: Low-quality data can result in incomplete or incorrect information, which negatively affects an organization’s decision-making process. Learn more in our detailed guide to data reliability 6 Pillars of Data Quality 1.